/******************************************************************
 *
 *  CyberUtil for Java
 *
 *  Copyright (C) Satoshi Konno 2002-2004
 *
 *  File: Thread.java
 *
 *  Revision:
 *
 *  01/05/04
 *    - first revision.
 *  08/23/07
 *    - Thanks for Kazuyuki Shudo
 *    - Changed stop() to stop more safety using Thread::interrupt().
 *
 ******************************************************************/

package org.cybergarage.util;

public class ThreadCore implements Runnable
{
    ////////////////////////////////////////////////
    //  Constructor
    ////////////////////////////////////////////////

    public ThreadCore()
    {
    }

    ////////////////////////////////////////////////
    //  Thread
    ////////////////////////////////////////////////

    private java.lang.Thread mThreadObject = null;


    public void setThreadObject(java.lang.Thread obj) {
        mThreadObject = obj;
    }

    public java.lang.Thread getThreadObject() {
        return mThreadObject;
    }


    public void start()
    {
        java.lang.Thread threadObject = getThreadObject();
        if (threadObject == null) {
            threadObject = new java.lang.Thread(this,"Cyber.ThreadCore");
            setThreadObject(threadObject);
            threadObject.start();
        }
    }

    @Override
    public void run()
    {
    }

    public boolean isRunnable()
    {
        return (Thread.currentThread() == getThreadObject()) ? true : false;
    }

    public void stop()
    {
        java.lang.Thread threadObject = getThreadObject();
        if (threadObject != null) {
            //threadObject.destroy();
            //threadObject.stop();

            // Thanks for Kazuyuki Shudo (08/23/07)
            threadObject.interrupt();

            setThreadObject(null);
        }
    }

    public void restart()
    {
        stop();
        start();
    }
}
